The LMH6622 is a dual high speed voltage feedback operational amplifier specifically optimized for low noise. A voltage noise specification of 1.6nV/√Hz, a current noise specification 1.5pA/√Hz, a bandwidth of 160 MHz, and a harmonic distortion specification that exceeds 90 dBc combine to make the LMH6622 an ideal choice for the receive channel amplifier in ADSL, VDSL, or other xDSL designs. The LMH6622 operates from ±2.5 V to ±6 V in dual supply mode and from +5 V to +12 V in single supply configuration. The LMH6622 is stable for AV ≥ 2 or AV ≤ −1. The fabrication of the LMH6622 on TI's advanced VIP10 process enables excellent (160 MHz) bandwidth at a current consumption of only 4.3 mA/amplifier. Packages for this dual amplifier are the 8-lead SOIC and the 8-lead VSSOP.
PART NUMBER | PACKAGE | BODY SIZE (NOM) |
---|---|---|
LMH6622 | SOIC (8) | 4.90 mm × 3.91 mm |
LMH6622 | VSSOP (8) | 3.00 mm × 3.00 mm |
Changes from D Revision (March 2013) to E Revision
Changes from C Revision (March 2013) to D Revision
PIN | I/O | DESCRIPTION | |
---|---|---|---|
NAME | NO. | ||
OUT A | 1 | O | ChA Output |
-IN A | 2 | I | ChA Inverting Input |
+IN A | 3 | I | ChA Non-inverting Input |
V- | 4 | I | V- Supply Pin |
+IN B | 5 | I | ChB Non-inverting Input |
-IN B | 6 | I | ChB Inverting Input |
OUT B | 7 | I | ChB Output |
V+ | 8 | I | V+ Supply Pin |
MIN | MAX | UNIT | ||
---|---|---|---|---|
VIN Differential | ±1.2 | V | ||
Supply Voltage (V+ – V−) | 13.2 | V | ||
Voltage at Input Pins | V+ +0.5, V− −0.5 | V | ||
SOLDERING INFORMATION | ||||
Infrared or Convection (20 sec) | 235 | °C | ||
Wave Soldering (10 sec) | 260 | °C | ||
Junction Temperature (4) | +150 | °C |
MIN | MAX | UNIT | |||
---|---|---|---|---|---|
Tstg | Storage temperature range | −65° | +150 | °C | |
V(ESD) | Electrostatic discharge | Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(1) | 2000(2) | V | |
Charged device model (CDM), per JEDEC specification JESD22-C101, all pins(2) | 200(2) |
MIN | MAX | UNIT | ||
---|---|---|---|---|
Supply Voltage (V+– V−) | ±2.25 | ±6 | V | |
Temperature Range(3)(4) | −40 | +85 | °C |
THERMAL METRIC(1) | LMH6622 | LMH6622 | UNIT | |
---|---|---|---|---|
Package D | Package DGK | |||
8 PINS | 8 PINS | |||
RθJA | Junction-to-ambient thermal resistance(4) | 166° | 211° | °C/W |
PARAMETER | TEST CONDITIONS | TEMPERATURE EXTREMES |
ROOM TEMPERATURE |
UNIT | |||||
---|---|---|---|---|---|---|---|---|---|
MIN(6) | TYP(5) | MAX(6) | MIN(6) | TYP(5) | MAX(6) | ||||
DYNAMIC PERFORMANCE | |||||||||
fCL | −3dB BW | VO = 200 mVPP | 160 | MHz | |||||
BW0.1dB | 0.1dB Gain Flatness | VO = 20 0mVPP | 30 | MHz | |||||
SR | Slew Rate(8) | VO = 2 VPP | 85 | V/μs | |||||
TS | Settling Time | VO = 2 VPP to ±0.1% | 40 | ns | |||||
VO = 2 VPP to ±1.0% | 35 | ||||||||
Tr | Rise Time | VO = 0.2 V Step, 10% to 90% | 2.3 | ns | |||||
Tf | Fall Time | VO = 0.2 V Step, 10% to 90% | 2.3 | ns | |||||
DISTORTION and NOISE RESPONSE | |||||||||
en | Input Referred Voltage Noise | f = 100 kHz | 1.6 | nV/√Hz | |||||
in | Input Referred Current Noise | f = 100 kHz | 1.5 | pA/√Hz | |||||
DG | Differential Gain | RL = 150 Ω, RF = 470 Ω, NTSC | 0.03% | ||||||
DP | Differential Phase | RL = 150 Ω, RF = 470 Ω, NTSC | 0.03 | deg | |||||
HD2 | 2nd Harmonic Distortion | fc = 1 MHz, VO = 2 VPP, RL = 100 Ω |
−90 | dBc | |||||
fc = 1 MHz, VO = 2 VPP, RL = 500 Ω |
−100 | ||||||||
HD3 | 3rd Harmonic Distortion | fc = 1 MHz, VO = 2 VPP, RL = 100 Ω |
−94 | dBc | |||||
fc = 1 MHz, VO = 2 VPP, RL = 500 Ω |
−100 | ||||||||
MTPR | Upstream | VO = 0.6 VRMS, 26 kHz to 132 kHz (see Figure 33) |
−78 | dBc | |||||
Downstream | VO = 0.6 VRMS, 144 kHz to 1.1 MHz (see Figure 33) |
−70 | |||||||
INPUT CHARACTERISTICS | |||||||||
VOS | Input Offset Voltage | VCM = 0 V | −2 | +2 | −1.2 | +0.2 | +1.2 | mV | |
TC VOS | Input Offset Average Drift | VCM = 0 V(7) | −2.5 | μV/°C | |||||
IOS | Input Offset Current | VCM = 0V | −1.5 | 1.5 | −1 | −0.04 | 1 | μA | |
IB | Input Bias Current | VCM = 0V | 15 | 4.7 | 10 | μA | |||
RIN | Input Resistance | Common Mode | 17 | MΩ | |||||
Differential Mode | 12 | kΩ | |||||||
CIN | Input Capacitance | Common Mode | 0.9 | pF | |||||
Differential Mode | 1.0 | pF | |||||||
CMVR | Input Common Mode Voltage Range | CMRR ≥ 60dB | −4.75 | −4.5 | V | ||||
5.5 | +5.7 | ||||||||
CMRR | Common-Mode Rejection Ratio | Input Referred, VCM = −4.2 V to +5.2 V |
75 | 80 | 100 | dB | |||
TRANSFER CHARACTERISTICS | |||||||||
AVOL | Large Signal Voltage Gain | VO = 4 VPP | 70 | 74 | 83 | dB | |||
Xt | Crosstalk | f = 1 MHz | −75 | dB | |||||
OUTPUT CHARACTERISTICS | |||||||||
VO | Output Swing | No Load, Positive Swing | 4.6 | 4.8 | 5.2 | V | |||
No Load, Negative Swing | −4.4 | −5.0 | −4.6 | ||||||
RL = 100 Ω, Positive Swing | 3.8 | 4.0 | 4.6 | ||||||
RL = 100 Ω, Negative Swing | −3.8 | −4.6 | −4 | ||||||
RO | Output Impedance | f = 1 MHz | 0.08 | Ω | |||||
ISC | Output Short Circuit Current | Sourcing to Ground ΔVIN = 200 mV(3),(9) |
100 | 135 | mA | ||||
Sinking to Ground ΔVIN = −200 mV(3),(9) |
100 | 130 | |||||||
IOUT | Output Current | Sourcing, VO = +4.3 V Sinking, VO = −4.3 V |
90 | mA | |||||
POWER SUPPLY | |||||||||
+PSRR | Positive Power Supply Rejection Ratio |
Input Referred, VS = +5 V to +6 V |
74 | 80 | 95 | dB | |||
−PSRR | Negative Power Supply Rejection Ratio | Input Referred, VS = −5 V to −6 V |
69 | 75 | 90 | ||||
IS | Supply Current (per amplifier) | No Load | 6.5 | 4.3 | 6 | mA |
PARAMETER | TEST CONDITIONS | TEMPERATURE EXTREMES |
ROOM TEMPERATURE |
UNIT | |||||
---|---|---|---|---|---|---|---|---|---|
MIN(6) | TYP(5) | MAX(6) | MIN(6) | TYP(5) | MAX(6) | ||||
DYNAMIC PERFORMANCE | |||||||||
fCL | −3 dB BW | VO = 200 mVPP | 150 | MHz | |||||
BW0.1dB | 0.1dB Gain Flatness | VO = 200 mVPP | 20 | MHz | |||||
SR | Slew Rate (8) | VO = 2 VPP | 80 | V/μs | |||||
TS | Settling Time | VO = 2 VPP to ±0.1% | 45 | ns | |||||
VO = 2 VPP to ±1.0% | 40 | ||||||||
Tr | Rise Time | VO = 0.2 V Step, 10% to 90% | 2.5 | ns | |||||
Tf | Fall Time | VO = 0.2 V Step, 10% to 90% | 2.5 | ns | |||||
DISTORTION and NOISE RESPONSE | |||||||||
en | Input Referred Voltage Noise | f = 100 kHz | 1.7 | nV/√Hz | |||||
in | Input Referred Current Noise | f = 100 kHz | 1.5 | pA/√Hz | |||||
HD2 | 2nd Harmonic Distortion | fc = 1 MHz, VO = 2VPP, RL = 100 Ω |
−88 | dBc | |||||
fc = 1 MHz, VO = 2VPP, RL = 500 Ω |
−98 | ||||||||
HD3 | 3rd Harmonic Distortion | fc = 1 MHz, VO = 2 VPP, RL = 100 Ω | −92 | dBc | |||||
fc = 1 MHz, VO = 2 VPP, RL = 500 Ω | −100 | ||||||||
MTPR | Upstream | VO = 0.4VRMS, 26kHz to 132kHz (see Figure 33) |
−76 | dBc | |||||
Downstream | VO = 0.4 VRMS, 144 kHz to 1.1 MHz (see Figure 33) |
−68 | |||||||
INPUT CHARACTERISTICS | |||||||||
VOS | Input Offset Voltage | VCM = 0 V | −2.3 | +2.3 | −1.5 | +0.3 | +1.5 | mV | |
TC VOS | Input Offset Average Drift | VCM = 0 V(7) | −2.5 | μV/°C | |||||
IOS | Input Offset Current | VCM = 0 V | −2.5 | 2.5 | −1.5 | +0.01 | 1.5 | μA | |
IB | Input Bias Current | VCM = 0 V | 15 | 4.6 | 10 | μA | |||
RIN | Input Resistance | Common Mode | 17 | MΩ | |||||
Differential Mode | 12 | kΩ | |||||||
CIN | Input Capacitance | Common Mode | 0.9 | pF | |||||
Differential Mode | 1.0 | pF | |||||||
CMVR | Input Common Mode Voltage Range | CMRR ≥ 60dB | −1.25 | −1 | V | ||||
2 | +2.2 | ||||||||
CMRR | Common Mode Rejection Ratio | Input Referred, VCM = −0.7 V to +1.7 V |
75 | 80 | 100 | dB | |||
TRANSFER CHARACTERISTICS | |||||||||
AVOL | Large Signal Voltage Gain | VO = 1 VPP | 74 | 82 | dB | ||||
Xt | Crosstalk | f = 1 MHz | −75 | dB | |||||
OUTPUT CHARACTERISTICS | |||||||||
VO | Output Swing | No Load, Positive Swing | 1.2 | 1.4 | 1.7 | V | |||
No Load, Negative Swing | −1 | −1.5 | −1.2 | ||||||
RL = 100 Ω, Positive Swing | 1 | 1.2 | 1.5 | ||||||
RL = 100 Ω, Negative Swing | −0.9 | −1.4 | −1.1 | ||||||
RO | Output Impedance | f = 1 MHz | 0.1 | Ω | |||||
ISC | Output Short Circuit Current | Sourcing to Ground ΔVIN = 200 mV(3)(9) |
100 | 137 | mA | ||||
Sinking to Ground ΔVIN = −20 0mV(3)(9) |
100 | 134 | |||||||
IOUT | Output Current | Sourcing, VO = +0.8 V Sinking, VO = −0.8 V |
90 | mA | |||||
POWER SUPPLY | |||||||||
+PSRR | Positive Power Supply Rejection Ratio | Input Referred, VS = +2.5 V to +3 V |
72 | 78 | 93 | dB | |||
−PSRR | Negative Power Supply Rejection Ratio | Input Referred, VS = −2.5 V to −3 V |
70 | 75 | 88 | dB | |||
IS | Supply Current (per amplifier) | No Load | 6.4 | 4.1 | 5.8 | mA |